feat: add current accounts list module with redesigned UI

- New accounts module with list, routing, and service
- Redesigned accounts-list UI with modern card layout, status badges, and action buttons
- Fixed totalRecords formatting (removed formatNumber pipe from integer count)
- Register accounts module in app.module and shell navigation

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/app/core/shell/shell.component.html

@@ -564,14 +564,18 @@
       <div class="deposit-menu-grid" (click)="$event.stopPropagation()">
         <div class="deposit-menu-group">
           <div class="deposit-group-title">Accounts</div>
-          <button mat-menu-item tabindex="0">
+          <button mat-menu-item tabindex="0" [routerLink]="['/accounts/savings']">
             <fa-icon icon="piggy-bank" class="menu-item-icon"></fa-icon> Saving
           </button>
-          <button mat-menu-item tabindex="0"><fa-icon icon="building" class="menu-item-icon"></fa-icon> Current</button>
-          <button mat-menu-item tabindex="0">
+          <button mat-menu-item tabindex="0" [routerLink]="['/accounts/current']">
+            <fa-icon icon="building" class="menu-item-icon"></fa-icon> Current
+          </button>
+          <button mat-menu-item tabindex="0" [routerLink]="['/accounts/fixed-deposits']">
             <fa-icon icon="lock" class="menu-item-icon"></fa-icon> Fixed Deposit
           </button>
-          <button mat-menu-item tabindex="0"><fa-icon icon="sync" class="menu-item-icon"></fa-icon> Recurring</button>
+          <button mat-menu-item tabindex="0" [routerLink]="['/accounts/recurring-deposits']">
+            <fa-icon icon="sync" class="menu-item-icon"></fa-icon> Recurring
+          </button>
           <button mat-menu-item tabindex="0"><fa-icon icon="coins" class="menu-item-icon"></fa-icon> DDS</button>
         </div>
         <div class="deposit-menu-group">